Observed 9:55 AM CDT at KGGI

Sully, IA weather

Sunny and 61°16°, 19°11° warmer than a typical Oct 24.

Mostly agree

Now 61°16°

Sunny

Wind: 8 mph13 km/h; From the south. 58–12 mph19 km/h through 10 PM
Dew point: 50°10°; Comfortable
UV index: 1Low; Moderate 12–4 PM · peak 4
Air today: 72Moderate; EPA forecast · PM2.5 (fine particles)
Pressure: 30.3 inHg1026 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (63°17° then, 61°16° now)

Good hours for

High 76°24° today at 3 PM
Below 70°21° tonight after 7 PM
Low 53°12° tomorrow at 7 AM
Above 60°16° tomorrow by 10 AM

This morningNear 64°18° · Partly cloudy
This afternoonUp to 76°24° by 3 PM · Partly cloudy
TonightDown to 55°13° by 4 AM · Mostly cloudy
Tomorrow morningUp to 66°19° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 76°24° by 4 PM · Mostly cloudy
Tomorrow nightDown to 53°12° by 5 AM · Mostly cloudy
Monday morningUp to 56°13° by 9 AM · Cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 10a	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	10 mph16 km/h from S, gusts 22 mph35 km/h	65%	27%	1
Sat 11a	Mostly sunny	65°18° (likely 65°18° to 67°19°)	65°18°	0%	10 mph16 km/h from S, gusts 20 mph32 km/h	60%	23%	2
Sat 12p	Mostly sunny	70°21° (likely 68°20° to 71°22°)	70°21°	0%	10 mph16 km/h from S, gusts 19 mph30 km/h	49%	35%	3
Sat 1p	Mostly sunny	73°23° (likely 71°22° to 74°23°)	73°23°	0%	12 mph19 km/h from S, gusts 17 mph27 km/h	44%	39%	4
Sat 2p	Partly sunny	75°24° (likely 73°23° to 76°24°)	75°24°	0%	12 mph19 km/h from S, gusts 17 mph28 km/h	41%	36%	3
Sat 3p	Partly sunny	76°24° (likely 74°23° to 77°25°)	76°24°	0%	10 mph16 km/h from S, gusts 18 mph29 km/h	40%	49%	3
Sat 4p	Partly sunny	75°24° (likely 73°23° to 77°25°)	75°24°	0%	10 mph16 km/h from S, gusts 18 mph30 km/h	43%	40%	1
Sat 5p	Sunny	73°23° (likely 71°22° to 76°24°)	73°23°	0%	9 mph14 km/h from S, gusts 17 mph27 km/h	46%	16%	1
Sat 6p	Partly cloudy	72°22° (likely 68°20° to 73°23°)	72°22°	0%	7 mph11 km/h from S, gusts 13 mph21 km/h	49%	51%	0
Sat 7p	Partly cloudy	68°20° (likely 65°18° to 69°21°)	68°20°	0%	6 mph10 km/h from S, gusts 13 mph20 km/h	57%	60%	0
Sat 8p	Partly cloudy	65°18° (likely 63°17° to 66°19°)	65°18°	0%	6 mph10 km/h from S, gusts 12 mph19 km/h	63%	51%	0
Sat 9p	Mostly cloudy	63°17° (likely 62°17° to 64°18°)	63°17°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	67%	61%	0
Sat 10p	Mostly cloudy	62°17° (likely 60°16° to 63°17°)	62°17°	0%	5 mph8 km/h from S, gusts 12 mph20 km/h	70%	64%	0
Sat 11p	Partly cloudy	61°16° (likely 60°16° to 61°16°)	61°16°	0%	5 mph8 km/h from S, gusts 12 mph19 km/h	70%	70%	0
Sun 12a	Cloudy	59°15° (likely 58°14° to 60°16°)	59°15°	0%	5 mph8 km/h from S, gusts 11 mph18 km/h	75%	76%	0
Sun 1a	Cloudy	58°14° (likely 57°14° to 59°15°)	58°14°	0%	3 mph5 km/h from SSW, gusts 10 mph16 km/h	77%	78%	0
Sun 2a	Cloudy	57°14° (likely 56°13° to 58°14°)	57°14°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	77%	72%	0
Sun 3a	Partly cloudy	57°14° (likely 54°12° to 57°14°)	57°14°	0%	3 mph5 km/h from S, gusts 8 mph12 km/h	77%	71%	0
Sun 4a	Cloudy	55°13° (likely 53°12° to 55°13°)	55°13°	0%	3 mph5 km/h from SSE, gusts 4 mph7 km/h	80%	73%	0
Sun 5a	Mostly cloudy	55°13° (likely 52°11° to 55°13°)	55°13°	0%	2 mph3 km/h from E, gusts 4 mph6 km/h	80%	69%	0
Sun 6a	Partly cloudy	55°13° (likely 51°11° to 55°13°)	55°13°	0%	2 mph3 km/h from ENE, gusts 4 mph7 km/h	80%	62%	0
Sun 7a	Partly cloudy	53°12° (likely 50°10° to 53°12°)	53°12°	0%	2 mph3 km/h from ENE, gusts 4 mph6 km/h	83%	70%	0
Sun 8a	Partly sunny	55°13° (likely 50°10° to 55°13°)	55°13°	0%	2 mph3 km/h from E, gusts 4 mph6 km/h	80%	73%	0
Sun 9a	Cloudy	57°14° (likely 54°12° to 57°14°)	57°14°	0%	2 mph3 km/h from S, gusts 6 mph10 km/h	77%	73%	0
Sun 10a	Cloudy	62°17° (likely 59°15° to 62°17°)	62°17°	0%	2 mph3 km/h from S, gusts 7 mph12 km/h	67%	78%	1
Sun 11a	Cloudy	66°19° (likely 63°17° to 66°19°)	66°19°	0%	2 mph3 km/h from S, gusts 5 mph9 km/h	58%	80%	2
Sun 12p	Cloudy	70°21° (likely 66°19° to 70°21°)	70°21°	0%	2 mph3 km/h from S, gusts 4 mph7 km/h	53%	82%	3
Sun 1p	Partly sunny	73°23° (likely 69°21° to 73°23°)	73°23°	0%	2 mph3 km/h from S, gusts 5 mph9 km/h	48%	76%	4
Sun 2p	Partly sunny	74°23° (likely 72°22° to 74°23°)	74°23°	0%	2 mph3 km/h from S, gusts 6 mph9 km/h	48%	73%	4
Sun 3p	Partly sunny	75°24° (likely 73°23° to 76°24°)	75°24°	0%	2 mph3 km/h from S, gusts 6 mph10 km/h	46%	73%	3
Sun 4p	Cloudy	76°24° (likely 73°23° to 76°24°)	76°24°	0%	2 mph3 km/h from S, gusts 6 mph10 km/h	46%	66%	2
Sun 5p	Partly sunny	75°24° (likely 71°22° to 75°24°)	75°24°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	46%	61%	1
Sun 6p	Cloudy	73°23° (likely 67°19° to 73°23°)	73°23°	0%	1 mph2 km/h from SSE, gusts 3 mph5 km/h	49%	71%	0
Sun 7p	Cloudy	69°21° (likely 64°18° to 69°21°)	69°21°	0%	2 mph3 km/h from ESE, gusts 4 mph7 km/h	57%	74%	0
Sun 8p	Mostly cloudy	64°18° (likely 62°17° to 65°18°)	64°18°	0%	2 mph3 km/h from SE, gusts 8 mph12 km/h	67%	75%	0
Sun 9p	Cloudy	62°17° (likely 60°16° to 63°17°)	62°17°	0%	2 mph3 km/h from ESE, gusts 13 mph21 km/h	72%	75%	0
Sun 10p	Cloudy	61°16° (likely 59°15° to 62°17°)	61°16°	0%	2 mph3 km/h from ESE, gusts 14 mph22 km/h	75%	75%	0
Sun 11p	Cloudy	59°15° (likely 58°14° to 60°16°)	59°15°	0%	2 mph3 km/h from E, gusts 15 mph24 km/h	75%	70%	0
Mon 12a	Cloudy	58°14° (likely 57°14° to 59°15°)	58°14°	0%	2 mph3 km/h from E, gusts 13 mph22 km/h	77%	83%	0
Mon 1a	Cloudy	56°13° (likely 56°13° to 58°14°)	56°13°	0%	2 mph3 km/h from E, gusts 13 mph20 km/h	80%	84%	0
Mon 2a	Cloudy	55°13° (likely 55°13° to 57°14°)	55°13°	0%	3 mph5 km/h from ENE, gusts 11 mph18 km/h	80%	82%	0
Mon 3a	Cloudy	54°12° (likely 53°12° to 56°13°)	54°12°	0%	3 mph5 km/h from ENE, gusts 12 mph19 km/h	80%	83%	0
Mon 4a	Cloudy	54°12° (likely 52°11° to 55°13°)	54°12°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	77%	82%	0
Mon 5a	Cloudy	53°12° (likely 52°11° to 54°12°)	53°12°	0%	5 mph8 km/h from NE, gusts 13 mph20 km/h	77%	89%	0
Mon 6a	Cloudy	52°11° (likely 51°11° to 55°13°)	52°11°	0%	6 mph10 km/h from ENE, gusts 12 mph19 km/h	80%	89%	0
Mon 7a	Cloudy	52°11° (likely 51°11° to 56°13°)	52°11°	0%	6 mph10 km/h from ENE, gusts 13 mph20 km/h	80%	93%	0
Mon 8a	Cloudy	54°12° (likely 50°10° to 58°14°)	54°12°	0%	6 mph10 km/h from ENE, gusts 10 mph16 km/h	77%	85%	0
Mon 9a	Cloudy	56°13° (likely 52°11° to 60°16°)	56°13°	0%	6 mph10 km/h from E, gusts 12 mph19 km/h	74%	88%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 77°25°, low 53°12°. Typical 58°14° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 65°18°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Mostly cloudy, 65°18°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 55°13°
  Dry
Official NWS forecast
Today: Mostly sunny. High near 77, with temperatures falling to around 73 in the afternoon. South wind around 12 mph.
Tonight: Partly cloudy. Low around 53, with temperatures rising to around 55 overnight. South southeast wind 2 to 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
74°23°–77°25°
Low, likely
53°12°–56°13°
Typical high / low
58°14° / 35°2°
Wind
14 mph22 km/h, gusts 25 mph40 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 76°24°, low 52°11°. Typical 58°14° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 76. South southeast wind around 2 mph.
Night: Mostly cloudy, with a low around 52. East wind 1 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
73°23°–76°24°
Low, likely
50°10°–53°12°
Typical high / low
58°14° / 35°2°
Wind
9 mph15 km/h, gusts 19 mph30 km/h
UV peak
4
Monday, Oct 26. Mostly cloudy. High 71°22°, low 52°11°. Typical 57°14° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 71°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 71. East wind around 7 mph.
Night: Mostly cloudy, with a low around 52.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
68°20°–73°23°
Low, likely
51°11°–54°12°
Typical high / low
57°14° / 34°1°
Wind
10 mph16 km/h, gusts 17 mph27 km/h
UV peak
4
Tuesday, Oct 27. Mostly cloudy. High 70°21°, low 54°12°. Typical 57°14° / 34°1°. Dry. Forecasts agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 70.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 20%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 70°21°).
High, likely
67°19°–70°21°
Low, likely
54°12°–56°13°
Typical high / low
57°14° / 34°1°
Wind
12 mph20 km/h, gusts 26 mph41 km/h
UV peak
3
Wednesday, Oct 28. Showers. High 72°22°, low 49°9°. Typical 56°13° / 34°1°. Rain 0.13 in3.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  20% chance · 0.06 in1.6 mm
4. Overnight
  midnight–6 AM
  Showers, 58°15°
  30% chance · 0.11 in2.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Night: A slight chance of rain showers. Partly cloudy, with a low around 49.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–73°23°
Low, likely
49°9°–61°16°
Typical high / low
56°13° / 34°1°
Wind
14 mph23 km/h, gusts 32 mph52 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 69°21°, low 50°10°. Typical 56°13° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  30% chance · 0.06 in1.4 mm
2. Afternoon
  noon–6 PM
  Showers, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 7am. Mostly sunny, with a high near 69.
Night: A chance of rain showers after 7pm. Partly cloudy, with a low around 50. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–74°23°
Low, likely
50°10°–60°16°
Typical high / low
56°13° / 33°1°
Wind
12 mph19 km/h, gusts 30 mph48 km/h
UV peak
2
Friday, Oct 30. Showers. High 68°20°, low 49°9°. Typical 55°13° / 33°1°. Rain 0.06 in1.5 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 58°15°
  20% chance
2. Afternoon
  noon–6 PM
  Drizzle, 71°22°
  20% chance · 0.03 in0.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 66°19°
  30% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Cloudy, 61°16°
  40% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Night: A chance of rain showers. Mostly cloudy, with a low around 49.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
65°18°–78°26°
Low, likely
49°9°–63°17°
Typical high / low
55°13° / 33°1°
Wind
17 mph27 km/h, gusts 31 mph50 km/h
UV peak
2
Saturday, Oct 31. Drizzle. High 69°21°, low 60°16°. Typical 54°12° / 32°0°. Rain 0.22 in5.6 mm, 60% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 62°17°
  40% chance
2. Afternoon
  noon–6 PM
  Drizzle, 67°19°
  50% chance · 0.05 in1.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  50% chance · 0.09 in2.4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 62°16°
  50% chance · 0.09 in2.3 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–78°26°
Low, likely
56°13°–68°20°
Typical high / low
54°12° / 32°0°
Wind
16 mph25 km/h, gusts 34 mph55 km/h
Sunday, Nov 1. Drizzle. High 64°18°, low 54°12°. Typical 54°12° / 32°0°. Rain 0.38 in9.7 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  50% chance · 0.19 in4.7 mm
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  30% chance · 0.09 in2.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 60°16°
  30% chance · 0.05 in1.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 54°12°
  30% chance · 0.14 in3.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–68°20°
Low, likely
51°11°–61°16°
Typical high / low
54°12° / 32°0°
Wind
21 mph33 km/h, gusts 32 mph52 km/h
UV peak
1
Monday, Nov 2. Showers. High 60°16°, low 52°11°. Typical 54°12° / 32°0°. Rain 0.6 in15 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 53°12°
  30% chance · 0.16 in4.1 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 56°13°
  30% chance · 0.2 in5 mm
3. Evening
  6 PM–midnight
  Clear, 56°13°
  30% chance · 0.04 in0.9 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–66°19°
Low, likely
44°7°–64°18°
Typical high / low
54°12° / 32°0°
Wind
30 mph48 km/h, gusts 50 mph80 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 77°, low 53°.
Tomorrow
Dry, high 76°, low 52°.
Monday
Dry, high 71°, low 52°, cooling off.
Rest of week
Highs 60–72°; chance of precipitation on Saturday, Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (DMX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Middle Creek near Lacey

15 mi

Level: 75.3 ft

Reading from Sat 9 AM · NWS gauge page

Des Moines River at Red Rock Reservoir

16 mi

Below flood stage

Level: 746 ft

Reading from Sat 9:15 AM · NWS gauge page

Des Moines River at Red Rock Tail

16 mi

Level: 689 ft
Flow: 11,200 cfs

Reading from Sat 9:15 AM · NWS gauge page

South Skunk River near Oskaloosa

18 mi

Below flood stage

Level: 12.9 ft
Flow: 2,500 cfs

Reading from Sat 9:30 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 93% less heating than a typical week.

This week 9Typical 138

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 50°F).

Open the windows?

Today, 11:00 AM–11:00 PM

Good stretch to open the windows.

Is this typical?

Grinnell 3 SW · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is 19°11° warmer than typical.

Last 7 days vs normal

On average 5°3° warmer than normal (daily mean temperature).

−2°−1°SunOct 18
+2°+1°MonOct 19
+3°+1°TueOct 20
—WedOct 21
+8°+4°ThuOct 22
+14°+8°FriOct 23
—SatOct 24

Sully weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 43 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 33 min less
Golden hour: 5:38–6:34 PM; Morning 7:16–8:12 AM
Blue hour: 6:34–6:44 PM; Morning 7:05–7:16 AM; first light 7:05 AM

Stars tonight? Poor

Clouds most of the night (about 66% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:47 AM · rises 5:14 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Sully. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.